61852708838 has 16 divisors (see below), whose sum is σ = 93321206784. Its totient is φ = 30746130120.

The previous prime is 61852708837. The next prime is 61852708843. The reversal of 61852708838 is 83880725816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61852708837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130931 + ... + 375297.

It is an arithmetic number, because the mean of its divisors is an integer number (5832575424).

Almost surely, 2^61852708838 is an apocalyptic number.

61852708838 is a deficient number, since it is larger than the sum of its proper divisors (31468497946).

61852708838 is a wasteful number, since it uses less digits than its factorization.

61852708838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245107.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 61852708838 in words is "sixty-one billion, eight hundred fifty-two million, seven hundred eight thousand, eight hundred thirty-eight".